What was the primary COLOR of the Swallow-like bird you saw in Nunavut?

Black Swift: Large, bulky swift, black overall. Wrist (wing angle) is very close to body. Long, slightly forked tail, often fanned out. It is the largest North American swift. Spends most of its time thousands of feet in the air. It flies on stiff, shallow wingbeats. Soars on thermals and updrafts.

Purple Martin: Large, vocal swallow with glossy dark purple-blue body and forked tail. It is the largest North American swallow. Black bill, legs and feet. Stong, graceful flight, alternates a few rapid wing beats with long glides. Catches and eats insects in flight and also forages on the ground.

Bank Swallow: Small swallow with brown upperparts, and a brown breast band seperating white underparts from white throat and chin. Tail is notched. Brown legs, feet. The smallest North American swallow. Swift, erratic flight, alternating several shallow, rapid wing beats with short to long glides.

Barn Swallow: Medium swallow with glittering blue-black upperparts, red-brown forehead, chin and throat. Dark blue-black breast band, belly is white to orange. Tail is deeply forked with long outer streamers. Black legs and feet. It is the most abundant and widely distributed swallow in the world.